bivalves

柯林斯词典

bivalve /ˈbaɪˌvælv/

• 1. N any marine or freshwater mollusc of the class Pelecypoda (formerly Bivalvia or Lamellibranchia), having a laterally compressed body, a shell consisting of two hinged valves, and gills for respiration. The group includes clams, cockles, oysters, and mussels 双壳类动物 (See also pelecypod, lamellibranch)

• 2. ADJ of, relating to, or belonging to the Pelecypoda 软体动物的 (See also pelecypod, lamellibranch)

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